One day a blind boy was sitting and waiting for some one to drop a coin so he can buy food.

He had a blackboard beside him written "Im blind pls. Feel pity" suddenly a man approach and drop a coin and erased what was written on the board.

The boy realized it but ignore it later he heared a lot of coins were being dropped in his can.After an hour later the man came back and ask the boy how he was doing, the boy replied "my can is full of coins what did you write on my board?"